:root{--bg:#fff;--bg-soft:#f5f7fa;--bg-elevated:#fff;--text:#1a2233;--text-muted:#5b6474;--border:#dde3ea;--primary:#1f6feb;--primary-hover:#185bc4;--primary-text:#fff;--success:#1a7f37;--warning-bg:#fff8e1;--warning-text:#7a5a00;--error-bg:#fdecec;--error-text:#a12626;--radius:10px;--max:1080px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f141b;--bg-soft:#161d27;--bg-elevated:#1b2430;--text:#e6ebf2;--text-muted:#9aa6b7;--border:#2b3644;--primary:#4c8ff5;--primary-hover:#6ba2ff;--primary-text:#0b1220;--success:#4cc26b;--warning-bg:#3a2f12;--warning-text:#f2d27d;--error-bg:#3d1d1d;--error-text:#ff9a9a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f141b;--bg-soft:#161d27;--bg-elevated:#1b2430;--text:#e6ebf2;--text-muted:#9aa6b7;--border:#2b3644;--primary:#4c8ff5;--primary-hover:#6ba2ff;--primary-text:#0b1220;--success:#4cc26b;--warning-bg:#3a2f12;--warning-text:#f2d27d;--error-bg:#3d1d1d;--error-text:#ff9a9a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 .5em;line-height:1.25}h1{font-size:clamp(1.7rem,4.5vw,2.4rem)}h2{margin-top:0;font-size:clamp(1.3rem,3.2vw,1.7rem)}h3{font-size:1.1rem}p{margin:0 0 1em}code{background:var(--bg-soft);border-radius:4px;padding:0 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}button,select,input{font:inherit}.container{max-width:var(--max);margin:0 auto;padding:0 16px}.section{border-top:1px solid var(--border);padding:40px 0}.section-lead{color:var(--text-muted);max-width:720px}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.site-header{border-bottom:1px solid var(--border);background:var(--bg)}.site-header .container{justify-content:space-between;align-items:center;gap:16px;height:56px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-weight:700;display:flex}.brand:hover{text-decoration:none}.brand-mark{flex-shrink:0;width:28px;height:28px}.site-nav{gap:18px;font-size:.95rem;display:flex}.site-nav a{color:var(--text-muted)}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);color:var(--text-muted);margin-top:40px;padding:32px 0;font-size:.92rem}.footer-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px 24px;margin:12px 0 24px;display:grid}.footer-grid a{color:var(--text-muted)}.footer-meta{flex-wrap:wrap;gap:8px 20px;display:flex}.hero{text-align:center;padding:36px 0 20px}.hero .subtitle{color:var(--text-muted);max-width:720px;margin:0 auto;font-size:1.1rem}.hero .badges{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.badge{background:var(--bg-soft);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:3px 10px;font-size:.82rem}.tool{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:0 2px 12px #0000000a}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--bg-soft);padding:36px 16px;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.is-over{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 6%, var(--bg-soft))}.dropzone.is-busy{cursor:progress;opacity:.7}.dropzone strong{margin-bottom:4px;font-size:1.1rem;display:block}.dropzone .hint{color:var(--text-muted);margin:0;font-size:.9rem}.dropzone input{display:none}.btn{border:1px solid var(--primary);background:var(--primary);color:var(--primary-text);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;display:inline-flex}.btn:hover{background:var(--primary-hover);border-color:var(--primary-hover);text-decoration:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{color:var(--primary);background:0 0}.btn-secondary:hover{background:color-mix(in srgb, var(--primary) 10%, transparent);color:var(--primary)}.btn-lg{padding:13px 24px;font-size:1.05rem}.file-row{flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:12px;display:flex}.file-name{word-break:break-all;font-weight:600}.muted{color:var(--text-muted)}.small{font-size:.9rem}.notice{border-radius:8px;margin-top:12px;padding:10px 14px}.notice-error{background:var(--error-bg);color:var(--error-text)}.notice-warn{background:var(--warning-bg);color:var(--warning-text)}.notice ul{margin:4px 0 0;padding-left:18px}.tool-grid{grid-template-columns:1fr;gap:16px;margin-top:16px;display:grid}@media (min-width:860px){.tool-grid{grid-template-columns:3fr 2fr}}.map{border:1px solid var(--border);background:var(--bg-soft);border-radius:8px;height:320px;overflow:hidden}@media (min-width:860px){.map{height:380px}}.map-placeholder{height:100%;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.panel{flex-direction:column;gap:14px;display:flex}.panel h3{margin:0 0 6px}.layer-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.layer-list li{border:1px solid var(--border);border-radius:6px;justify-content:space-between;gap:8px;padding:6px 10px;font-size:.92rem;display:flex}.layer-list .count{color:var(--text-muted);white-space:nowrap}.field{flex-direction:column;gap:4px;display:flex}.field label{font-size:.92rem;font-weight:600}.field select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;padding:8px 10px}.check{align-items:flex-start;gap:8px;font-size:.95rem;display:flex}.check input{margin-top:5px}.download-box{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:6px;display:flex}.progress{color:var(--text-muted);font-size:.95rem}.table-wrap{border:1px solid var(--border);border-radius:8px;margin-top:16px;overflow-x:auto}table.attrs{border-collapse:collapse;width:100%;font-size:.86rem}table.attrs th,table.attrs td{border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;text-overflow:ellipsis;max-width:260px;padding:6px 10px;overflow:hidden}table.attrs th{background:var(--bg-soft);position:sticky;top:0}table.attrs tr:last-child td{border-bottom:0}.tabs{flex-wrap:wrap;gap:6px;margin-top:16px;display:flex}.tabs button{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:999px;padding:6px 12px;font-size:.9rem}.tabs button[aria-selected=true]{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}.privacy-line{text-align:center;color:var(--text-muted);margin:12px 0 0;font-size:.9rem}.steps{counter-reset:step;grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:720px){.steps{grid-template-columns:repeat(3,1fr)}}.step{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.step:before{counter-increment:step;content:counter(step);background:var(--primary);width:30px;height:30px;color:var(--primary-text);border-radius:50%;justify-content:center;align-items:center;margin-bottom:10px;font-weight:700;display:inline-flex}.two-col{grid-template-columns:1fr;gap:24px;display:grid}@media (min-width:760px){.two-col{grid-template-columns:1fr 1fr}}.why-grid{grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:720px){.why-grid{grid-template-columns:repeat(2,1fr)}}.why-item{border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.why-item h3{margin-bottom:4px}.why-item p{color:var(--text-muted);margin:0}.faq details{border-bottom:1px solid var(--border);padding:12px 0}.faq summary{cursor:pointer;justify-content:space-between;gap:12px;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--text-muted);font-weight:400}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--text-muted);margin:10px 0 0}.related-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;display:grid}.related-card{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--bg-elevated);padding:14px 16px;display:block}.related-card:hover{border-color:var(--primary);text-decoration:none}.related-card strong{margin-bottom:4px;display:block}.related-card span{color:var(--text-muted);font-size:.9rem}.prose{max-width:760px}.prose ul{padding-left:20px}.column-picker{border:1px solid var(--border);background:var(--bg-soft);border-radius:8px;margin-top:12px;padding:14px}.column-picker-row{flex-wrap:wrap;align-items:flex-end;gap:12px;margin-top:12px;display:flex}.column-picker-row .field{flex:1;min-width:180px}.site-footer a{color:var(--text);text-underline-offset:2px;text-decoration:underline}.feedback-hint{color:var(--text-muted);margin:10px 0 0;font-size:14px}